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Idaho Class D Knowledge Practice Test
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Intersections & Right-of-WayStandalone practice
A single-point urban interchange has a central signalized area for conflicting movements. Your signal is red. Why must you stop behind the marked stop line?
Correct answer: Stopping past it can block cross traffic in the center
Why
A single-point urban interchange controls several turning movements at a large central signalized area. When your signal requires a stop, remain behind the marked line so you do not block crossing traffic or pedestrians. Follow the signal for your own lane.
Verified against Idaho Driver’s Handbook, July 2026 · SPUI stop-line position · p. 64
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